创造东西真的很难。你必须非常在乎它，才能克服所有的失望和挫折。

思想开阔，才能包容天下的千山万壑；思想谦虚，才能接受天下的真知大德；思想平明，才能纵论天下的善恶得失；思想深沉，才能讨论天下的学说哲理；思想稳定，才能应付天下的风云变幻。

The discovery of topological insulators has opened up a new frontier in condensed matter physics, where the interplay of symmetry and topology leads to novel quantum states of matter.

Sustainability in mining isn't an option—it's a responsibility we owe to future generations.

The primary task of a leader is to create an environment where employees can motivate themselves.